Promote healthy-looking skin with this quality derma roller with microneedle technology. Includes four replaceable derma roller heads, silicone brush, disinfection basin, and a storage case to meet your different skin treatment needs. Microneedles facilitate exfoliation, improves the skin's appearance with a luminous look and gives skin a smoother feel. How To Use 6 IN 1 Derma Roller Kit? 1. Safety First! Sanitize and soak the roller with 75% medical alcohol in disinfection basin for 5-8 minutes before use; 2. Interchange different roller head according to the treatment, tighten or loosen the head by turning. 3. Wash your face clean and dry completely; 4. Apply some nutritional lotion/serum on the area of skin you want to use the roller; 5. Be careful to apply pressure without puncturing the skin, roll it over the desired area for few times; 6. Rinse roller in warm water then sanitize; 7.After rolling, apply a moisturizer or repairing serum. Attention: 1.Do not use it if your skin is broken and damaged. 2.Please move the device in a different direction and do not use it in the same area more than 1 minute to avoid skin damage. 3. After use, the face will have slight redness and tingling or itching, which is a normal phenomenon. 4. Please keep the product out of reach of children. 5. Use once a week or two weeks, do not use it frequently. Click on our store name and believe that you have more choices. If you have any questions, please contact us and wish you a happy life!